Cellular
- TRM142Current
- LTE Cat 4
- TRM200Current
- LTE Cat 4; 3G/2G fallback
- TRM282Current
- LTE Cat 4
- TRM500Current
- 5G — up to 3.4 Gbps
INDUSTRIAL NETWORKING
Industrial cellular modems for host and equipment integration.
Compare four current Teltonika TRM models by cellular class and host interface (USB, RS232, GNSS), review legacy TRM240/TRM250 for installed-base identification, then send a model-specific technical enquiry through GermanSTS.
- Host interface first
- Current vs legacy lifecycle
- No stock or lead-time claims
Current industrial modems
4 current models
Four current TRM models — specifications verified against teltonika-networks.com (2026-09-15).
Teltonika Networks
TRM142
Industrial LTE Cat 4 modem with documented RS232 and USB host ports for retrofitting serial equipment or USB-attached hosts with a cellular uplink.
- CellularLTE Cat 4 (official description)
- HostRS232 and USB (official meta description)
SERIAL RETROFIT · USB HOST UPLINK · REMOTE EQUIPMENT
View technical details
Cellular
- Class: LTE Cat 4 (official product description)
- Role: Industrial 4G modem (official meta — TRM142 product page)
Host integration
- RS232: Documented on official meta description
- USB: Documented on official meta description
Teltonika Networks
TRM200
Industrial LTE Cat 4 modem with documented micro-USB host connection and external cellular antenna for upgrading equipment with 4G while retaining 3G/2G fallback on the official page.
- CellularLTE Cat 4; 3G/2G fallback (official description)
- HostMicro USB (official description)
USB CELLULAR UPLINK · INDUSTRIAL UPGRADE · MACHINE CONNECTIVITY
View technical details
Cellular
- Class: LTE Cat 4 (official meta description)
- Fallback: 3G and 2G backward compatibility (official description)
Host / RF
- USB: Micro USB port (official description)
- Antenna: External antenna referenced on official page
Teltonika Networks
TRM282
LTE Cat 4 modem with documented USB and RS232 host ports, integrated GNSS and digital I/O for equipment that needs cellular, positioning and simple field I/O on one module.
- CellularLTE Cat 4
- HostUSB and RS232
- GNSS / I/OIntegrated GNSS; digital I/O
TELEMETRY · GNSS TRACKING · SERIAL + USB HOST
View technical details
Cellular / positioning
- LTE: LTE Cat 4 (official description)
- GNSS: Integrated GNSS (official meta description)
Host / I/O
- USB / RS232: Both documented on official meta description
- Digital I/O: DI/DO referenced on official meta description
Teltonika Networks
TRM500
Compact 5G modem with documented USB Type-C host interface and ultra-high cellular throughput (up to 3.4 Gbps per official description) for hosts that need a 5G data module.
- Cellular5G (up to 3.4 Gbps — official description)
- HostUSB Type-C (official description)
5G HOST UPLINK · INDUSTRIAL PC · HIGH-BANDWIDTH EDGE
View technical details
Cellular
- Generation: 5G modem (official product description)
- Throughput: Up to 3.4 Gbps (official meta description)
Host
- Interface: USB Type-C (official description)
CURRENT MODEMS
Compare verified differences
Use the host interface and cellular requirement to narrow the current TRM range.
| Attribute | TRM142Current | TRM200Current | TRM282Current | TRM500Current |
|---|---|---|---|---|
| Cellular | LTE Cat 4 | LTE Cat 4; 3G/2G fallback | LTE Cat 4 | 5G — up to 3.4 Gbps |
| Host interface | RS232, USB | USB | USB, RS232 | USB Type-C |
| USB | USB | Micro USB | USB | USB Type-C |
| Serial | RS232 | — | RS232 | — |
| GNSS | — | — | Integrated GNSS | — |
| Best fit | Serial or USB industrial host | USB-only host integration | Cellular + GNSS + field I/O host | 5G USB Type-C host module |
Host interface
- TRM142Current
- RS232, USB
- TRM200Current
- USB
- TRM282Current
- USB, RS232
- TRM500Current
- USB Type-C
USB
- TRM142Current
- USB
- TRM200Current
- Micro USB
- TRM282Current
- USB
- TRM500Current
- USB Type-C
Serial
- TRM142Current
- RS232
- TRM200Current
- —
- TRM282Current
- RS232
- TRM500Current
- —
GNSS
- TRM142Current
- —
- TRM200Current
- —
- TRM282Current
- Integrated GNSS
- TRM500Current
- —
Best fit
- TRM142Current
- Serial or USB industrial host
- TRM200Current
- USB-only host integration
- TRM282Current
- Cellular + GNSS + field I/O host
- TRM500Current
- 5G USB Type-C host module
LEGACY / EOL
Legacy / end-of-life technical reference
TRM240 and TRM250 remain listed for identification and replacement assessment. They are not presented as current procurement lines.
End-of-life
Teltonika Networks
TRM240
End-of-life LTE Cat 1 USB modem — compact cellular add-on for installed-base identification and replacement assessment (not current procurement).
End-of-life model — retained for technical reference and replacement assessment.
- LifecycleEnd of life (official product lifecycle — N3D audit)
- CellularLTE Cat 1 (official description)
- HostUSB (official page text)
INSTALLED-BASE ID · REPLACEMENT REVIEW
View technical details
Lifecycle
- Status: EOL — explicit lifecycle wording on official Teltonika product page (N3A/N3D corroboration)
Verified connectivity
- Cellular: LTE Cat 1 (official meta description)
- USB: USB LTE Cat 1 modem (official page text)
End-of-life
Teltonika Networks
TRM250
End-of-life NB-IoT / LTE Cat-M1 USB modem with EGPRS backward compatibility — listed for legacy identification and successor assessment, not as a current line item.
End-of-life model — retained for technical reference and replacement assessment.
- LifecycleEnd of life (official product lifecycle — N3D audit)
- CellularNB-IoT / LTE Cat-M1; EGPRS (official meta)
- HostUSB (official page)
INSTALLED-BASE ID · IOT LEGACY REFERENCE
View technical details
Lifecycle
- Status: EOL — explicit lifecycle wording on official Teltonika product page (N3A/N3D corroboration)
Verified connectivity
- Cellular: NB-IoT / LTE Cat-M1; EGPRS backward-compatible (official meta)
- USB: Documented USB modem integration on official page
ENGINEERING
Modem engineering guide
Modem selection starts with host interface, cellular generation and lifecycle — model-specific documentation must be confirmed; modems do not replace full edge routing or field gateway roles.
CONNECTIVITY PATH
From host to cellular network
- HostHost / industrial PCHost system
- ModemModem moduleCellular modem
- RFCellular RFRF path
- MobileOperator networkMobile network
- ServiceApplication / cloudApplication / service
MODEM VS ROUTER VS GATEWAY
Modem (TRM)
- Primarily provides a cellular data path to an attached host via USB and/or serial where documented
- Suited when the host or integrator owns routing, VPN and application logic
- Selection hinges on host connector, cellular generation and lifecycle
Router (RUT and related)
- Network-edge device with routing, firewall and often Wi‑Fi/Ethernet LAN functions
- Typical when the site needs a standalone connectivity appliance rather than a host module
Gateway (TRB and related)
GermanSTS supports technical selection across categories — confirm architecture before locking a part number.
- Bridges field protocols and equipment to IP/cellular with documented serial, I/O or meter interfaces
- Typical when the project is field-device integration rather than a simple host modem
HOST INTERFACE
Verified host paths on official TRM product pages.
- TRM142RS232 + USB; LTE Cat 4Current
- TRM200Micro USB; LTE Cat 4; 3G/2G fallbackCurrent
- TRM282USB + RS232; LTE Cat 4; GNSS; DI/DOCurrent
- TRM500USB Type-C; 5G (up to 3.4 Gbps per official page)Current
- TRM240USB; LTE Cat 1 — EOL referenceLegacy
- TRM250USB; NB-IoT / LTE-M — EOL referenceLegacy
Ethernet host integration is not documented on these TRM pages — omit unless confirmed on the official datasheet for your revision.
PHYSICAL / HOST INTEGRATION
Cabling, USB, serial and antenna practice alongside modem choice.
Modem projects still require correct USB or serial harnessing, power behaviour and RF cabling — GermanSTS can review connectivity together with model selection.
- USB / serial host cables and connector retention
- External cellular and GNSS antenna feeds where applicable
- Cabinet routing, strain relief and EMV-aware practice
- Power source alignment with documented USB powering
Technical FAQ
Direct answers on selection and scope — without marketing promises.
Which TRM model fits a USB-only host?
TRM200 and TRM500 are documented with USB host integration (micro USB and USB Type-C respectively). TRM282 also documents USB alongside RS232. TRM142 documents RS232 and USB. Confirm connector type, power and driver expectations on the official page before design lock-in.
Are TRM240 and TRM250 still available to order?
Teltonika documents TRM240 and TRM250 as end-of-life on the official product pages. GermanSTS does not imply stock or manufacturing status — send installed model and interface requirements for replacement or sourcing assessment.
Does GermanSTS guarantee a drop-in replacement for an EOL TRM?
No — GermanSTS reviews interface, cellular and mechanical requirements and identifies technically suitable current options where possible. Equivalence is not guaranteed without project-specific verification.
Modem capabilities refer to documented Teltonika Networks TRM products. GermanSTS is not an authorised distributor and does not manufacture Teltonika hardware.
ENQUIRY
Send structured modem requirements.
Use Industrial Networking & IoT in the cable enquiry form with an optional TRM model reference (current or legacy).
- Application
- Interfaces
- Ports
- Environment
- Quantity
- Timing